Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kevin L. Obrachta0
Date of Patent
July 31, 2007
0Patent Application Number
110013170
Date Filed
November 30, 2004
0Patent Primary Examiner
Patent abstract
Methods and apparatus are provided for protecting an acoustic liner having a perforated facesheet from water leakage during a through-transmission ultrasonic (TTU) inspection using an ultrasonic squirter system. The apparatus comprises a repositionable mask that covers the openings in the perforated facesheet. The repositionable mask is comprised of a pressure sensitive adhesive that adheres to the surface of the perforated facesheet. The repositionable mask can be removed after completing a TTU inspection and can be reused for subsequent TTU tests with minimal adverse effects on the mask or on the facesheet. For ease in handling, the repositionable mask may be configured with a semi-rigid backing carrier.
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